Unlike the nine other new ministers, Mr. Ala, 48, was not picked from among the lawmakers of Mr. Erdogan’s Justice and Development Party, or AKP, but from among prime minister’s close non-elected confidants.

Starting next Thursday, Mr. Ala, the undersecretary of the prime minister’s office at the time of his appointment, is to deal with Turkey’s most pressing security problems and to oversee the police during the ongoing graft probe against Mr. Erdogan’s allies, which has also come dangerously close to the prime minister.

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